Search Results for: Dinosaurs
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1,961 results for: Dinosaurs
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Evolution’s Death Row: Groups surviving mass extinction still go bust
Groups of species may persist through major extinction events only to die off in the aftermath.
By Kristin Cobb - Physics
Loud Loop: New explanation of whip-snapping unfurls
The wake of a loop zooming along a whip may silence the faster-moving tip so the loop actually causes the whip's loud bang.
By Peter Weiss -
Mining the Mouse
Recent analyses of the mouse genome illuminate human health and evolution.
By John Travis - Earth
A quick recovery after dinosaur deaths
Evidence from 65-million-year-old sediments suggests that a single impact from space wiped out the dinosaurs and that ecosystems recovered from the trauma in only a few thousand years.
By Sid Perkins - Paleontology
Dinosaur fossil yields feathery structures
Researchers believe they have found primitive feathers on the remains of Sinornithosaurus millenii, a 124-million-year-old raptor dinosaur from Liaoning, China.
By Linda Wang - Paleontology
Completing a titan by getting a head
When paleontologists unearthed the skeleton of a 70-million-year-old titanosaur in Madagascar in the late 1990s, they also recovered something that had been missing from previous such finds: a skull that matched the body.
By Sid Perkins -
18980
Everyone seems to agree that the Tyrannosaurus rex Sue was seriously debilitated with perhaps a lifelong lameness. Peter L. Larson attributes her survival to care and feeding by group members. Is there evidence of group care for the injured among reptiles of any era? Might Sue’s survival be due not to group care but simply […]
By Science News - Paleontology
Older Ancestors: Primate origins age in new analysis
A controversial new statistical model concludes that the common ancestor of primates lived 81.5 million years ago, about 16 million years earlier than many paleontologists have estimated.
By Bruce Bower -
Science News of the Year 2002
A review of important scientific achievements reported in Science News during the year 2002.
By Science News -
Science News of the Year 2002
A review of important scientific achievements reported in Science News during the year 2002.
By Science News - Paleontology
Turn Your Head and Roar
The analysis of fossils that preserve evidence of diseases that appear to be similar or identical to afflictions that strike modern animals, including humans, could help scientists better grasp the causes and courses of today's ailments.
By Sid Perkins - Paleontology
Fossil footprints could be monumental
Trace fossils found in a vacant lot in a small town in Utah, including the footprints of meat-eating dinosaurs, could soon be protected as part of a new U.S. national monument.
By Sid Perkins